16412513 has 8 divisors (see below), whose sum is σ = 17710056. Its totient is φ = 15120000.

The previous prime is 16412509. The next prime is 16412519. The reversal of 16412513 is 31521461.

It can be written as a sum of positive squares in 4 ways, for example, as 595984 + 15816529 = 772^2 + 3977^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16412513 - 2² = 16412509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16412519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8213 + ... + 10013.

It is an arithmetic number, because the mean of its divisors is an integer number (2213757).

Almost surely, 2^16412513 is an apocalyptic number.

16412513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16412513 is a deficient number, since it is larger than the sum of its proper divisors (1297543).

16412513 is a wasteful number, since it uses less digits than its factorization.

16412513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515.

The product of its digits is 720, while the sum is 23.

The square root of 16412513 is about 4051.2359842399. The cubic root of 16412513 is about 254.1314187556.

Adding to 16412513 its reverse (31521461), we get a palindrome (47933974).

It can be divided in two parts, 16412 and 513, that multiplied together give a triangular number (8419356 = T₄₁₀₃).

The spelling of 16412513 in words is "sixteen million, four hundred twelve thousand, five hundred thirteen".